<template>
  <div>
    <Chart :cdata="cdata" />
  </div>
</template>

<script>
import Chart from "./chart.vue";
// import Echart from "@/common/echart";
let chinaGeoCoordMap = {
  黑龙江: [127.9688, 45.368],
  内蒙古: [110.3467, 41.4899],
  吉林: [125.8154, 44.2584],
  北京市: [116.4551, 40.2539],
  辽宁: [123.1238, 42.1216],
  河北: [114.4995, 38.1006],
  天津: [117.4219, 39.4189],
  山西: [112.3352, 37.9413],
  陕西: [109.1162, 34.2004],
  甘肃: [103.5901, 36.3043],
  宁夏: [106.3586, 38.1775],
  青海: [101.4038, 36.8207],
  新疆: [87.9236, 43.5883],
  西藏: [91.11, 29.97],
  四川: [103.9526, 30.7617],
  重庆: [108.384366, 30.439702],
  山东: [117.1582, 36.8701],
  河南: [113.4668, 34.6234],
  江苏: [118.8062, 31.9208],
  安徽: [117.29, 32.0581],
  湖北: [114.3896, 30.6628],
  浙江: [119.5313, 29.8773],
  福建: [119.4543, 25.9222],
  江西: [116.0046, 28.6633],
  湖南: [113.0823, 28.2568],
  贵州: [106.6992, 26.7682],
  云南: [102.9199, 25.4663],
  广东: [113.12244, 23.009505],
  广西: [108.479, 23.1152],
  海南: [110.3893, 19.8516],
  上海: [121.4648, 31.2891],
};
let chinaDatas = [
  [
    {
      name: "黑龙江",
      value: 0,
    },
  ],
  [
    {
      name: "内蒙古",
      value: 0,
    },
  ],
  [
    {
      name: "吉林",
      value: 0,
    },
  ],
  [
    {
      name: "辽宁",
      value: 0,
    },
  ],
  [
    {
      name: "河北",
      value: 0,
    },
  ],
  [
    {
      name: "天津",
      value: 0,
    },
  ],
  [
    {
      name: "山西",
      value: 0,
    },
  ],
  [
    {
      name: "陕西",
      value: 0,
    },
  ],
  [
    {
      name: "甘肃",
      value: 0,
    },
  ],
  [
    {
      name: "宁夏",
      value: 0,
    },
  ],
  [
    {
      name: "青海",
      value: 0,
    },
  ],
  [
    {
      name: "新疆",
      value: 0,
    },
  ],
  [
    {
      name: "西藏",
      value: 0,
    },
  ],
  [
    {
      name: "四川",
      value: 0,
    },
  ],
  [
    {
      name: "重庆",
      value: 0,
    },
  ],
  [
    {
      name: "山东",
      value: 0,
    },
  ],
  [
    {
      name: "河南",
      value: 0,
    },
  ],
  [
    {
      name: "江苏",
      value: 0,
    },
  ],
  [
    {
      name: "安徽",
      value: 0,
    },
  ],
  [
    {
      name: "湖北",
      value: 0,
    },
  ],
  [
    {
      name: "浙江",
      value: 0,
    },
  ],
  [
    {
      name: "福建",
      value: 0,
    },
  ],
  [
    {
      name: "江西",
      value: 0,
    },
  ],
  [
    {
      name: "湖南",
      value: 0,
    },
  ],
  [
    {
      name: "贵州",
      value: 0,
    },
  ],
  [
    {
      name: "广西",
      value: 0,
    },
  ],
  [
    {
      name: "海南",
      value: 0,
    },
  ],
  [
    {
      name: "上海",
      value: 1,
    },
  ],
];
export default {
  data() {
    return {
      cdata: [],
    };
  },
  components: {
    Chart,
    // Echart,
  },
  mounted() {
    // this.setData();
    this.$nextTick(() => {
      this.initMapinfo();
    });
  },
  methods: {
    // 根据自己的业务情况修改
    setData() {
      for (let i = 0; i < this.cdata.barData.length - 1; i++) {
        let rate = this.cdata.barData[i] / this.cdata.lineData[i];
        this.cdata.rateData.push(rate.toFixed(2));
      }
    },
    initMapinfo() {
      let formdata = "重庆";
      var convertData = function(data) {
        var res = [];
        for (var i = 0; i < data.length; i++) {
          // console.log(data[i]);

          var dataItem = data[i];
          var fromCoord = chinaGeoCoordMap[dataItem[0].name];
          var toCoord = [108.384366, 30.439702]; //中心点地理坐标
          if (fromCoord && toCoord) {
            res.push([
              {
                coord: toCoord, //飞线起始点
                // value: dataItem[0].value,
              },
              {
                coord: fromCoord, //飞线终点   数据互换方向不同
              },
            ]);
          }
        }
        return res;
      };
      var series = [];
      [[formdata, chinaDatas]].forEach(function(item, i) {
        series.push(
          {
            type: "lines",
            zlevel: 2,
            effect: {
              show: true,
              period: 4, //箭头指向速度，值越小速度越快
              trailLength: 0.02, //特效尾迹长度[0,1]值越大，尾迹越长重
              symbol: "arrow", //箭头图标
              symbolSize: 4, //图标大小
            },
            lineStyle: {
              normal: {
                width: 1, //尾迹线条宽度
                opacity: 1, //尾迹线条透明度
                curveness: 0.4, //尾迹线条曲直度
              },
              type: "soild",
              color: "#b70406",
            },
            data: convertData(item[1]),
          },
          {
            type: "effectScatter",
            coordinateSystem: "geo",
            zlevel: 2,
            rippleEffect: {
              //涟漪特效
              period: 4, //动画时间，值越小速度越快
              brushType: "stroke", //波纹绘制方式 stroke, fill
              scale: 3, //波纹圆环最大限制，值越大波纹越大
            },
            label: {
              normal: {
                show: true,
                position: "right", //显示位置
                offset: [5, 0], //偏移设置
                formatter: function(params) {
                  //圆环显示文字
                  return params.data.name;
                },
                fontSize: 13,
                color: "#8b3636",
              },
              emphasis: {
                show: false,
              },
            },
            symbol: "circle",
            symbolSize: function(val) {
              return 4; //圆环大小
            },
            itemStyle: {
              normal: {
                show: true,
                color: "#f00",
              },
            },
            data: item[1].map(function(dataItem) {
              return {
                //在这里定义你所要展示的数据
                name: dataItem[0].name,
                value: chinaGeoCoordMap[dataItem[0].name].concat([
                  dataItem[0].value,
                ]),
              };
            }),
          },
          //中心点
          {
            type: "scatter",
            coordinateSystem: "geo",
            zlevel: 2,
            rippleEffect: {
              period: 4,
              brushType: "stroke",
              scale: 4,
            },
            label: {
              normal: {
                show: true,
                position: "right",
                //offset:[5, 0],
                color: "#0f0",
                formatter: "{b}",
                textStyle: {
                  color: "#0f0",
                },
              },
              emphasis: {
                show: true,
                color: "#f60",
              },
            },
            // symbol: "pin",
            // symbolSize: 50,
            data: [
              {
                name: item[0],
                value: chinaGeoCoordMap[item[0]].concat([10]),
              },
            ],
          }
        );
      });
      this.cdata = series;
      // this.initMap(series);
    },
    initMap(series) {},
  },
};
</script>

<style lang="scss" scoped>
.map_echart {
  width: 100%;
  height: 100%;
}
</style>
